	*{
				margin: 0px;
				padding: 0px;	
				text-decoration: none;
				list-style: none;
			}
			#box_main{
				margin-top: 0px;
				height: 180px;
				width: 100%;
				text-align: center;
			}
			#box_top{
				margin: 0px auto;
				line-height: 26px;
				height: 26px;
				background-color: #f4f4f4;
				border-bottom: 1px solid gainsboro;
			}
			a{
				cursor: pointer;
			}
			#homePage{
				float: left;
				display: inline-block;
				font-size: 14px;
				margin-left: 200px;
				color: gray;
			}
			#homePage img{
				position: absolute;
				top: 5px;
				left: 180px;
			}
			#right_box{
				float: right;
				width: 700px;
				text-align: right;
				font-size: 14px;
			}
			#right_box li{
				float: left;
				width: 80px;
				margin-left: 30px;
			}
			#say_hi a,#say_hi{
				color: red;
			}
			.link_regs{
				color: gray;
			}
			.serviceCls{
				z-index: 20;
				width: 80px;
				height: 80px;
				text-align: left;
				background-color: white;
				border: 1px solid gainsboro;
				position: absolute;
				top: -1px;
				right: 260px;
			}
			#service{
				text-align: center;
			}
			#hd_menu_list{
				display: none;
			}
			.aCls{
				color: red;
			}
			#serch{
				width: 1589px;
				height: 40px;
				margin: 30px 0px 20px 80px;
			}
			input{
				width: 650px;
				height: 40px;
				border: 2px solid red;
			}
			button{
				cursor: pointer;
			}
			#serch_but{
				width: 48px;
				height: 44px;
				border: 1px red;
				background:red;
				position: relative;
				top: 2px;
				left: -5px;
			}
			#enterprise{
				position: absolute;
				right: 190px;
			}
			#log{
				position: absolute;
				left: 160px;
				top: 50px;
			}
			#shopping_cart{
				width: 120px;
				height: 44px;
				background-color: white;
				border: 1px solid gray;
				position: relative;
				top: 2px;
				right: -60px;
			}
			#middle{
				width: 600px;
				margin-left: 458px;
				text-align: left;
				font-size: 14px;
				color: gray;
			}
			#middle a{
				margin-right: 15px;
			}
			#header_nav li{
				float: left;
				width: 80px;
			}
			#header_nav{
				width: 800px;
				position: absolute;
				top: 150px;
				left: 445px;
			}